61334553 has 8 divisors (see below), whose sum is σ = 93462208. Its totient is φ = 35048304.

The previous prime is 61334551. The next prime is 61334561. The reversal of 61334553 is 35543316.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61334553 - 2¹ = 61334551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61334553.

It is not an unprimeable number, because it can be changed into a prime (61334551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460326 + ... + 1460367.

It is an arithmetic number, because the mean of its divisors is an integer number (11682776).

Almost surely, 2^61334553 is an apocalyptic number.

It is an amenable number.

61334553 is a deficient number, since it is larger than the sum of its proper divisors (32127655).

61334553 is a wasteful number, since it uses less digits than its factorization.

61334553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920703.

The product of its digits is 16200, while the sum is 30.

The square root of 61334553 is about 7831.6379512845. The cubic root of 61334553 is about 394.3680607293.

Adding to 61334553 its reverse (35543316), we get a palindrome (96877869).

The spelling of 61334553 in words is "sixty-one million, three hundred thirty-four thousand, five hundred fifty-three".